In November 2009 the average unemployment rate was 9.9% and in November 2019 a sample of 50 states showed it was 3.5%. At a .01 significance level can we conclude the employment rate has decreased? Show the six steps of hypothesis testing.

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Q: 7. If µs = 0.28 and of = 0.07, what is the percent of a value being below 0.20

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